| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.message; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| import org.xml.sax.helpers.AttributesImpl; |
| |
| /** |
| * Sniffs the root element name and its attributes from SAX events. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public final class RootElementSniffer extends DefaultHandler { |
| private String nsUri = "##error"; |
| private String localName = "##error"; |
| private Attributes atts; |
| |
| private final boolean parseAttributes; |
| |
| public RootElementSniffer(boolean parseAttributes) { |
| this.parseAttributes = parseAttributes; |
| } |
| |
| public RootElementSniffer() { |
| this(true); |
| } |
| |
| public void startElement(String uri, String localName, String qName, Attributes a) throws SAXException { |
| this.nsUri = uri; |
| this.localName = localName; |
| |
| if(parseAttributes) { |
| if(a.getLength()==0) // often there's no attribute |
| this.atts = EMPTY_ATTRIBUTES; |
| else |
| this.atts = new AttributesImpl(a); |
| } |
| |
| // no need to parse any further. |
| throw aSAXException; |
| } |
| |
| public String getNsUri() { |
| return nsUri; |
| } |
| |
| public String getLocalName() { |
| return localName; |
| } |
| |
| public Attributes getAttributes() { |
| return atts; |
| } |
| |
| private static final SAXException aSAXException = new SAXException(); |
| private static final Attributes EMPTY_ATTRIBUTES = new AttributesImpl(); |
| } |